Home / 14,344,722.09-19,795,731.60-7,818,356.88

Finding the Fourth Proportional to 14,344,722.09, 19,795,731.60 and 7,818,356.88

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Solution

The fourth proportional to 14,344,722.09, 19,795,731.60 and 7,818,356.88 is: 10,789,340.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,344,722.09 : 19,795,731.60 = 7,818,356.88 : x
  2. Step 2: Convert to fraction form
    14,344,722.09/19,795,731.60 = 7,818,356.88/x
  3. Step 3: Cross multiply
    14,344,722.09x = 19,795,731.60 × 7,818,356.88
  4. Step 4: Simplify right side
    14,344,722.09x = 154,770,094,349,493.41
  5. Step 5: Solve for x
    x = 154,770,094,349,493.41/14,344,722.09
  6. Step 6: Final answer
    x = 10,789,340.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.